<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in EmloyeesList"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />

      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="$emit('close')">取消</el-button>
    </el-form-item>
  </el-form>
</template>
<script>
import { getEmployeesSimple } from '@/api/employees'
import { addDepartments, getDepartmentsDetail, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 校验部门的编码的唯一性
    const validCode = (rule, value, callback) => {
      console.log(value, 'value')
      console.log(this.originList, 'this.originList')
      let existCodeList = this.originList.map(item => item.code)
      // 编辑的状态，先移除自己的编码
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      // console.log(existCodeList)
      if (existCodeList.includes(value)) {
        // 存在，抛出错误，提示用户改编码已存在
        callback(new Error(`部门编码：${value} 已存在`))
      } else {
        callback() // 放行
      }
    }
    return {
      // 收集表单数据得对象
      form: {
        name: '',
        code: '',
        introduce: '',
        manager: ''
      },
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度是1~50的字符', trigger: 'blur' }
          // { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度是1~50的字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '请输入部门介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入长度是1~300的字符', trigger: 'blur' }
        ],
        manager: [{ required: true, message: '请选择部门负责人', trigger: ['blur', 'change'] }]
      },
      EmloyeesList: []// 负责人列表
    }
  },
  // 解决数据不更新的方式3，使用watch侦听id的变化
  watch: {
    // 'id': function(newVal, oldVal) {
    //   console.log(newVal, oldVal)
    //   this.loadDepartmentsDetail()
    // }
    // 深度侦听
    'id': {
      handler: function(newVal, oldVal) {
        console.log('this', this)
        this.loadDepartmentsDetail()
      },
      deep: true, // 开启深度监听
      immediate: true// 组件一加载，就执行
    }
  },
  created() {
    this.loadEmployeesSimple()
    if (this.isEdit) {
      this.loadDepartmentsDetail()
    }
  },
  methods: {
    // 获取当前部门的数据
    async loadDepartmentsDetail() {
      try {
        const res = await getDepartmentsDetail(this.id)
        console.log(res, 'getDepartmentsDetail')
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    hSubmit() {
      // 需要完成兜底校验，假设通过校验
      // 实现新增子部门
      this.$refs.deptForm.validate(valid => {
        if (!valid) return// 校验失败
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 编辑部门
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染列表数据，关闭弹层
        // 子传父
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 新增子部门
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res, 'addsss')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染列表数据，关闭弹层
        // 子传父
        this.$emit('success')
      } catch (error) {
        this.$message.error(error)
      }
    },
    // 获取负责人数据
    async loadEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        console.log(res, 'getEmployeesSimple')
        if (res.code === 10000) {
          this.EmloyeesList = res.data
        }
      } catch (error) {
        console.log(error)
        this.$message.error(error)
      }
    }
  }
}
</script>

